1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2012, 2015 Chelsio Communications, Inc. 5 * All rights reserved. 6 * Written by: Navdeep Parhar <np@FreeBSD.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31 #ifndef __T4_TOM_H__ 32 #define __T4_TOM_H__ 33 #include <sys/vmem.h> 34 #include "common/t4_hw.h" 35 #include "common/t4_msg.h" 36 #include "tom/t4_tls.h" 37 38 #define LISTEN_HASH_SIZE 32 39 40 /* 41 * Min receive window. We want it to be large enough to accommodate receive 42 * coalescing, handle jumbo frames, and not trigger sender SWS avoidance. 43 */ 44 #define MIN_RCV_WND (24 * 1024U) 45 46 /* 47 * Max receive window supported by HW in bytes. Only a small part of it can 48 * be set through option0, the rest needs to be set through RX_DATA_ACK. 49 */ 50 #define MAX_RCV_WND ((1U << 27) - 1) 51 52 #define DDP_RSVD_WIN (16 * 1024U) 53 #define SB_DDP_INDICATE SB_IN_TOE /* soreceive must respond to indicate */ 54 55 #define USE_DDP_RX_FLOW_CONTROL 56 57 #define PPOD_SZ(n) ((n) * sizeof(struct pagepod)) 58 #define PPOD_SIZE (PPOD_SZ(1)) 59 60 /* TOE PCB flags */ 61 enum { 62 TPF_ATTACHED = (1 << 0), /* a tcpcb refers to this toepcb */ 63 TPF_FLOWC_WR_SENT = (1 << 1), /* firmware flow context WR sent */ 64 TPF_TX_DATA_SENT = (1 << 2), /* some data sent */ 65 TPF_TX_SUSPENDED = (1 << 3), /* tx suspended for lack of resources */ 66 TPF_SEND_FIN = (1 << 4), /* send FIN after all pending data */ 67 TPF_FIN_SENT = (1 << 5), /* FIN has been sent */ 68 TPF_ABORT_SHUTDOWN = (1 << 6), /* connection abort is in progress */ 69 TPF_CPL_PENDING = (1 << 7), /* haven't received the last CPL */ 70 TPF_SYNQE = (1 << 8), /* synq_entry, not really a toepcb */ 71 TPF_SYNQE_EXPANDED = (1 << 9), /* toepcb ready, tid context updated */ 72 TPF_TLS_STARTING = (1 << 10), /* starting TLS receive */ 73 TPF_KTLS = (1 << 11), /* send TLS records from KTLS */ 74 TPF_INITIALIZED = (1 << 12), /* init_toepcb has been called */ 75 TPF_TLS_RECEIVE = (1 << 13), /* should receive TLS records */ 76 TPF_TLS_RX_QUIESCING = (1 << 14), /* RX quiesced for TLS RX startup */ 77 TPF_TLS_RX_QUIESCED = (1 << 15), /* RX quiesced for TLS RX startup */ 78 TPF_WAITING_FOR_FINAL = (1<< 16), /* waiting for wakeup on final CPL */ 79 TPF_IN_TOEP_LIST = (1 << 17), /* toep is in the main td->toep_list */ 80 }; 81 82 enum { 83 DDP_OK = (1 << 0), /* OK to turn on DDP */ 84 DDP_SC_REQ = (1 << 1), /* state change (on/off) requested */ 85 DDP_ON = (1 << 2), /* DDP is turned on */ 86 DDP_BUF0_ACTIVE = (1 << 3), /* buffer 0 in use (not invalidated) */ 87 DDP_BUF1_ACTIVE = (1 << 4), /* buffer 1 in use (not invalidated) */ 88 DDP_TASK_ACTIVE = (1 << 5), /* requeue task is queued / running */ 89 DDP_DEAD = (1 << 6), /* toepcb is shutting down */ 90 DDP_AIO = (1 << 7), /* DDP used for AIO, not so_rcv */ 91 DDP_RCVBUF = (1 << 8), /* DDP used for so_rcv, not AIO */ 92 }; 93 94 struct bio; 95 struct ctl_sg_entry; 96 struct sockopt; 97 struct offload_settings; 98 99 /* 100 * Connection parameters for an offloaded connection. These are mostly (but not 101 * all) hardware TOE parameters. 102 */ 103 struct conn_params { 104 int8_t rx_coalesce; 105 int8_t cong_algo; 106 int8_t tc_idx; 107 int8_t tstamp; 108 int8_t sack; 109 int8_t nagle; 110 int8_t keepalive; 111 int8_t wscale; 112 int8_t ecn; 113 int8_t mtu_idx; 114 int8_t ulp_mode; 115 int8_t tx_align; 116 int16_t txq_idx; /* ofld_txq = &sc->sge.ofld_txq[txq_idx] */ 117 int16_t rxq_idx; /* ofld_rxq = &sc->sge.ofld_rxq[rxq_idx] */ 118 int16_t l2t_idx; 119 uint16_t emss; 120 uint16_t opt0_bufsize; 121 u_int sndbuf; /* controls TP tx pages */ 122 }; 123 124 struct ofld_tx_sdesc { 125 uint32_t plen : 26; /* payload length */ 126 uint32_t tx_credits : 6; /* firmware tx credits (unit is 16B) */ 127 }; 128 129 #define MAX_OFLD_TX_SDESC_PLEN ((1u << 26) - 1) 130 #define MAX_OFLD_TX_SDESC_CREDITS ((1u << 6) - 1) 131 132 struct ppod_region { 133 u_int pr_start; 134 u_int pr_len; 135 u_int pr_page_shift[4]; 136 uint32_t pr_tag_mask; /* hardware tagmask for this region. */ 137 uint32_t pr_invalid_bit; /* OR with this to invalidate tag. */ 138 uint32_t pr_alias_mask; /* AND with tag to get alias bits. */ 139 u_int pr_alias_shift; /* shift this much for first alias bit. */ 140 vmem_t *pr_arena; 141 }; 142 143 struct ppod_reservation { 144 struct ppod_region *prsv_pr; 145 uint32_t prsv_tag; /* Full tag: pgsz, alias, tag, color */ 146 u_int prsv_nppods; 147 }; 148 149 struct pageset { 150 TAILQ_ENTRY(pageset) link; 151 vm_page_t *pages; 152 int npages; 153 int flags; 154 int offset; /* offset in first page */ 155 int len; 156 struct ppod_reservation prsv; 157 struct vmspace *vm; 158 vm_offset_t start; 159 u_int vm_timestamp; 160 }; 161 162 TAILQ_HEAD(pagesetq, pageset); 163 164 #define PS_PPODS_WRITTEN 0x0001 /* Page pods written to the card. */ 165 166 struct ddp_rcv_buffer { 167 TAILQ_ENTRY(ddp_rcv_buffer) link; 168 void *buf; 169 struct ppod_reservation prsv; 170 size_t len; 171 u_int refs; 172 }; 173 174 struct ddp_buffer { 175 union { 176 /* DDP_AIO fields */ 177 struct { 178 struct pageset *ps; 179 struct kaiocb *job; 180 int cancel_pending; 181 }; 182 183 /* DDP_RCVBUF fields */ 184 struct { 185 struct ddp_rcv_buffer *drb; 186 uint32_t placed; 187 }; 188 }; 189 }; 190 191 /* 192 * (a) - DDP_AIO only 193 * (r) - DDP_RCVBUF only 194 */ 195 struct ddp_pcb { 196 struct mtx lock; 197 u_int flags; 198 int active_id; /* the currently active DDP buffer */ 199 struct ddp_buffer db[2]; 200 union { 201 TAILQ_HEAD(, pageset) cached_pagesets; /* (a) */ 202 TAILQ_HEAD(, ddp_rcv_buffer) cached_buffers; /* (r) */ 203 }; 204 TAILQ_HEAD(, kaiocb) aiojobq; /* (a) */ 205 u_int waiting_count; /* (a) */ 206 u_int active_count; 207 u_int cached_count; 208 struct task requeue_task; 209 struct kaiocb *queueing; /* (a) */ 210 struct mtx cache_lock; /* (r) */ 211 }; 212 213 struct toepcb { 214 struct tom_data *td; 215 struct inpcb *inp; /* backpointer to host stack's PCB */ 216 u_int flags; /* miscellaneous flags */ 217 TAILQ_ENTRY(toepcb) link; /* toep_list or stranded_toep_list */ 218 int refcount; 219 struct vnet *vnet; 220 struct vi_info *vi; /* virtual interface */ 221 struct sge_ofld_txq *ofld_txq; 222 struct sge_ofld_rxq *ofld_rxq; 223 struct sge_wrq *ctrlq; 224 struct l2t_entry *l2te; /* L2 table entry used by this connection */ 225 struct clip_entry *ce; /* CLIP table entry used by this tid */ 226 int tid; /* Connection identifier */ 227 int incarnation; /* sc->incarnation when toepcb was allocated */ 228 229 /* tx credit handling */ 230 u_int tx_total; /* total tx WR credits (in 16B units) */ 231 u_int tx_credits; /* tx WR credits (in 16B units) available */ 232 u_int tx_nocompl; /* tx WR credits since last compl request */ 233 u_int plen_nocompl; /* payload since last compl request */ 234 235 struct conn_params params; 236 237 void *ulpcb; 238 void *ulpcb2; 239 struct mbufq ulp_pduq; /* PDUs waiting to be sent out. */ 240 struct mbufq ulp_pdu_reclaimq; 241 242 struct ddp_pcb ddp; 243 struct tls_ofld_info tls; 244 245 TAILQ_HEAD(, kaiocb) aiotx_jobq; 246 struct task aiotx_task; 247 struct socket *aiotx_so; 248 249 /* Tx software descriptor */ 250 uint8_t txsd_total; 251 uint8_t txsd_pidx; 252 uint8_t txsd_cidx; 253 uint8_t txsd_avail; 254 struct ofld_tx_sdesc txsd[]; 255 }; 256 257 static inline int 258 ulp_mode(struct toepcb *toep) 259 { 260 261 return (toep->params.ulp_mode); 262 } 263 264 #define DDP_LOCK(toep) mtx_lock(&(toep)->ddp.lock) 265 #define DDP_UNLOCK(toep) mtx_unlock(&(toep)->ddp.lock) 266 #define DDP_ASSERT_LOCKED(toep) mtx_assert(&(toep)->ddp.lock, MA_OWNED) 267 #define DDP_CACHE_LOCK(toep) mtx_lock(&(toep)->ddp.cache_lock) 268 #define DDP_CACHE_UNLOCK(toep) mtx_unlock(&(toep)->ddp.cache_lock) 269 270 /* 271 * Compressed state for embryonic connections for a listener. 272 */ 273 struct synq_entry { 274 struct listen_ctx *lctx; /* backpointer to listen ctx */ 275 struct mbuf *syn; 276 int flags; /* same as toepcb's tp_flags */ 277 TAILQ_ENTRY(synq_entry) link; /* synqe_list */ 278 volatile int ok_to_respond; 279 volatile u_int refcnt; 280 int tid; 281 uint32_t iss; 282 uint32_t irs; 283 uint32_t ts; 284 uint32_t rss_hash; 285 __be16 tcp_opt; /* from cpl_pass_establish */ 286 int incarnation; 287 struct toepcb *toep; 288 289 struct conn_params params; 290 }; 291 292 /* listen_ctx flags */ 293 #define LCTX_RPL_PENDING 1 /* waiting for a CPL_PASS_OPEN_RPL */ 294 #define LCTX_SETUP_IN_HW 2 /* stid entry is setup in hardware */ 295 296 struct listen_ctx { 297 LIST_ENTRY(listen_ctx) link; /* listen hash linkage */ 298 volatile int refcount; 299 int stid; 300 int flags; 301 bool isipv6; 302 struct inpcb *inp; /* listening socket's inp */ 303 struct vnet *vnet; 304 struct sge_wrq *ctrlq; 305 struct sge_ofld_rxq *ofld_rxq; 306 struct clip_entry *ce; 307 }; 308 309 /* tcb_histent flags */ 310 #define TE_RPL_PENDING 1 311 #define TE_ACTIVE 2 312 313 /* bits in one 8b tcb_histent sample. */ 314 #define TS_RTO (1 << 0) 315 #define TS_DUPACKS (1 << 1) 316 #define TS_FASTREXMT (1 << 2) 317 #define TS_SND_BACKLOGGED (1 << 3) 318 #define TS_CWND_LIMITED (1 << 4) 319 #define TS_ECN_ECE (1 << 5) 320 #define TS_ECN_CWR (1 << 6) 321 #define TS_RESERVED (1 << 7) /* Unused. */ 322 323 struct tcb_histent { 324 struct mtx te_lock; 325 struct callout te_callout; 326 uint64_t te_tcb[TCB_SIZE / sizeof(uint64_t)]; 327 struct adapter *te_adapter; 328 u_int te_flags; 329 u_int te_tid; 330 uint8_t te_pidx; 331 uint8_t te_sample[100]; 332 }; 333 334 struct tom_data { 335 struct toedev tod; 336 337 /* toepcb's associated with this TOE device */ 338 struct mtx toep_list_lock; 339 TAILQ_HEAD(, toepcb) toep_list; 340 TAILQ_HEAD(, synq_entry) synqe_list; 341 /* List of tids left stranded because hw stopped abruptly. */ 342 TAILQ_HEAD(, toepcb) stranded_atids; 343 TAILQ_HEAD(, toepcb) stranded_tids; 344 TAILQ_HEAD(, synq_entry) stranded_synqe; 345 struct task cleanup_stranded_tids; 346 347 struct mtx lctx_hash_lock; 348 LIST_HEAD(, listen_ctx) *listen_hash; 349 u_long listen_mask; 350 int lctx_count; /* # of lctx in the hash table */ 351 352 struct ppod_region pr; 353 354 struct rwlock tcb_history_lock __aligned(CACHE_LINE_SIZE); 355 struct tcb_histent **tcb_history; 356 int dupack_threshold; 357 358 /* WRs that will not be sent to the chip because L2 resolution failed */ 359 struct mtx unsent_wr_lock; 360 STAILQ_HEAD(, wrqe) unsent_wr_list; 361 struct task reclaim_wr_resources; 362 }; 363 364 static inline struct tom_data * 365 tod_td(struct toedev *tod) 366 { 367 368 return (__containerof(tod, struct tom_data, tod)); 369 } 370 371 static inline struct adapter * 372 td_adapter(struct tom_data *td) 373 { 374 375 return (td->tod.tod_softc); 376 } 377 378 static inline void 379 set_mbuf_raw_wr(struct mbuf *m, bool raw) 380 { 381 382 M_ASSERTPKTHDR(m); 383 m->m_pkthdr.PH_per.eight[6] = raw; 384 } 385 386 static inline bool 387 mbuf_raw_wr(struct mbuf *m) 388 { 389 390 M_ASSERTPKTHDR(m); 391 return (m->m_pkthdr.PH_per.eight[6]); 392 } 393 394 static inline void 395 set_mbuf_ulp_submode(struct mbuf *m, uint8_t ulp_submode) 396 { 397 398 M_ASSERTPKTHDR(m); 399 m->m_pkthdr.PH_per.eight[0] = ulp_submode; 400 } 401 402 static inline uint8_t 403 mbuf_ulp_submode(struct mbuf *m) 404 { 405 406 M_ASSERTPKTHDR(m); 407 return (m->m_pkthdr.PH_per.eight[0]); 408 } 409 410 static inline void 411 set_mbuf_iscsi_iso(struct mbuf *m, bool iso) 412 { 413 414 M_ASSERTPKTHDR(m); 415 m->m_pkthdr.PH_per.eight[1] = iso; 416 } 417 418 static inline bool 419 mbuf_iscsi_iso(struct mbuf *m) 420 { 421 422 M_ASSERTPKTHDR(m); 423 return (m->m_pkthdr.PH_per.eight[1]); 424 } 425 426 /* Flags for iSCSI segmentation offload. */ 427 #define CXGBE_ISO_TYPE(flags) ((flags) & 0x3) 428 #define CXGBE_ISO_F 0x4 429 430 static inline void 431 set_mbuf_iscsi_iso_flags(struct mbuf *m, uint8_t flags) 432 { 433 434 M_ASSERTPKTHDR(m); 435 m->m_pkthdr.PH_per.eight[2] = flags; 436 } 437 438 static inline uint8_t 439 mbuf_iscsi_iso_flags(struct mbuf *m) 440 { 441 442 M_ASSERTPKTHDR(m); 443 return (m->m_pkthdr.PH_per.eight[2]); 444 } 445 446 static inline void 447 set_mbuf_iscsi_iso_mss(struct mbuf *m, uint16_t mss) 448 { 449 450 M_ASSERTPKTHDR(m); 451 m->m_pkthdr.PH_per.sixteen[2] = mss; 452 } 453 454 static inline uint16_t 455 mbuf_iscsi_iso_mss(struct mbuf *m) 456 { 457 458 M_ASSERTPKTHDR(m); 459 return (m->m_pkthdr.PH_per.sixteen[2]); 460 } 461 462 /* t4_tom.c */ 463 struct toepcb *alloc_toepcb(struct vi_info *, int); 464 int init_toepcb(struct vi_info *, struct toepcb *); 465 struct toepcb *hold_toepcb(struct toepcb *); 466 void free_toepcb(struct toepcb *); 467 void offload_socket(struct socket *, struct toepcb *); 468 void restore_so_proto(struct socket *, bool); 469 void undo_offload_socket(struct socket *); 470 void final_cpl_received(struct toepcb *); 471 void insert_tid(struct adapter *, int, void *, int); 472 void *lookup_tid(struct adapter *, int); 473 void update_tid(struct adapter *, int, void *); 474 void remove_tid(struct adapter *, int, int); 475 u_long select_rcv_wnd(struct socket *); 476 int select_rcv_wscale(void); 477 void init_conn_params(struct vi_info *, struct offload_settings *, 478 struct in_conninfo *, struct socket *, const struct tcp_options *, int16_t, 479 struct conn_params *cp); 480 __be64 calc_options0(struct vi_info *, struct conn_params *); 481 __be32 calc_options2(struct vi_info *, struct conn_params *); 482 uint64_t select_ntuple(struct vi_info *, struct l2t_entry *); 483 int negative_advice(int); 484 int add_tid_to_history(struct adapter *, u_int); 485 void t4_pcb_detach(struct toedev *, struct tcpcb *); 486 487 /* t4_connect.c */ 488 void t4_init_connect_cpl_handlers(void); 489 void t4_uninit_connect_cpl_handlers(void); 490 int t4_connect(struct toedev *, struct socket *, struct nhop_object *, 491 struct sockaddr *); 492 void act_open_failure_cleanup(struct adapter *, struct toepcb *, u_int); 493 494 /* t4_listen.c */ 495 void t4_init_listen_cpl_handlers(void); 496 void t4_uninit_listen_cpl_handlers(void); 497 int t4_listen_start(struct toedev *, struct tcpcb *); 498 int t4_listen_stop(struct toedev *, struct tcpcb *); 499 void t4_syncache_added(struct toedev *, void *); 500 void t4_syncache_removed(struct toedev *, void *); 501 int t4_syncache_respond(struct toedev *, void *, struct mbuf *); 502 int do_abort_req_synqe(struct sge_iq *, const struct rss_header *, 503 struct mbuf *); 504 int do_abort_rpl_synqe(struct sge_iq *, const struct rss_header *, 505 struct mbuf *); 506 void t4_offload_socket(struct toedev *, void *, struct socket *); 507 void synack_failure_cleanup(struct adapter *, struct synq_entry *); 508 int alloc_stid_tab(struct adapter *); 509 void free_stid_tab(struct adapter *); 510 void stop_stid_tab(struct adapter *); 511 void restart_stid_tab(struct adapter *); 512 513 /* t4_cpl_io.c */ 514 void aiotx_init_toep(struct toepcb *); 515 int t4_aio_queue_aiotx(struct socket *, struct kaiocb *); 516 void t4_init_cpl_io_handlers(void); 517 void t4_uninit_cpl_io_handlers(void); 518 void send_abort_rpl(struct adapter *, struct sge_ofld_txq *, int , int); 519 void send_flowc_wr(struct toepcb *, struct tcpcb *); 520 void send_reset(struct adapter *, struct toepcb *, uint32_t); 521 int send_rx_credits(struct adapter *, struct toepcb *, int); 522 void make_established(struct toepcb *, uint32_t, uint32_t, uint16_t); 523 int t4_close_conn(struct adapter *, struct toepcb *); 524 void t4_rcvd(struct toedev *, struct tcpcb *); 525 void t4_rcvd_locked(struct toedev *, struct tcpcb *); 526 int t4_tod_output(struct toedev *, struct tcpcb *); 527 int t4_send_fin(struct toedev *, struct tcpcb *); 528 int t4_send_rst(struct toedev *, struct tcpcb *); 529 void t4_set_tcb_field(struct adapter *, struct sge_wrq *, struct toepcb *, 530 uint16_t, uint64_t, uint64_t, int, int); 531 void t4_push_pdus(struct adapter *, struct toepcb *, int); 532 bool t4_push_raw_wr(struct adapter *, struct toepcb *, struct mbuf *); 533 void t4_raw_wr_tx(struct adapter *, struct toepcb *, struct mbuf *); 534 void write_set_tcb_field(struct adapter *, void *, struct toepcb *, uint16_t, 535 uint64_t, uint64_t, int, int); 536 537 /* t4_ddp.c */ 538 int t4_init_ppod_region(struct ppod_region *, struct t4_range *, u_int, 539 const char *); 540 void t4_free_ppod_region(struct ppod_region *); 541 int t4_alloc_page_pods_for_ps(struct ppod_region *, struct pageset *); 542 int t4_alloc_page_pods_for_bio(struct ppod_region *, struct bio *, 543 struct ppod_reservation *); 544 int t4_alloc_page_pods_for_buf(struct ppod_region *, vm_offset_t, int, 545 struct ppod_reservation *); 546 int t4_alloc_page_pods_for_sgl(struct ppod_region *, struct ctl_sg_entry *, int, 547 struct ppod_reservation *); 548 int t4_write_page_pods_for_ps(struct adapter *, struct sge_wrq *, int, 549 struct pageset *); 550 int t4_write_page_pods_for_bio(struct adapter *, struct toepcb *, 551 struct ppod_reservation *, struct bio *, struct mbufq *); 552 int t4_write_page_pods_for_buf(struct adapter *, struct toepcb *, 553 struct ppod_reservation *, vm_offset_t, int, struct mbufq *); 554 int t4_write_page_pods_for_sgl(struct adapter *, struct toepcb *, 555 struct ppod_reservation *, struct ctl_sg_entry *, int, int, struct mbufq *); 556 void t4_free_page_pods(struct ppod_reservation *); 557 int t4_aio_queue_ddp(struct socket *, struct kaiocb *); 558 int t4_enable_ddp_rcv(struct socket *, struct toepcb *); 559 void t4_ddp_mod_load(void); 560 void t4_ddp_mod_unload(void); 561 struct mbuf *alloc_raw_wr_mbuf(int); 562 void ddp_assert_empty(struct toepcb *); 563 void ddp_uninit_toep(struct toepcb *); 564 void ddp_queue_toep(struct toepcb *); 565 void release_ddp_resources(struct toepcb *toep); 566 void handle_ddp_close(struct toepcb *, struct tcpcb *, uint32_t); 567 void handle_ddp_indicate(struct toepcb *); 568 void insert_ddp_data(struct toepcb *, uint32_t); 569 const struct offload_settings *lookup_offload_policy(struct adapter *, int, 570 struct mbuf *, uint16_t, struct inpcb *); 571 572 /* t4_tls.c */ 573 bool can_tls_offload(struct adapter *); 574 void do_rx_data_tls(const struct cpl_rx_data *, struct toepcb *, struct mbuf *); 575 void t4_push_ktls(struct adapter *, struct toepcb *, int); 576 void tls_received_starting_data(struct adapter *, struct toepcb *, 577 struct sockbuf *, int); 578 void t4_tls_mod_load(void); 579 void t4_tls_mod_unload(void); 580 void tls_init_toep(struct toepcb *); 581 int tls_tx_key(struct toepcb *); 582 void tls_uninit_toep(struct toepcb *); 583 int tls_alloc_ktls(struct toepcb *, struct ktls_session *, int); 584 585 #endif 586